Finding the Fourth Proportional to 218,526.10, 327,839.85 and 68,762.49
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Solution
The fourth proportional to 218,526.10, 327,839.85 and 68,762.49 is: 103,159.69
Step by Step Solution
- Step 1: Write the proportion equation
218,526.10 : 327,839.85 = 68,762.49 : x - Step 2: Convert to fraction form
218,526.10/327,839.85 = 68,762.49/x - Step 3: Cross multiply
218,526.10x = 327,839.85 × 68,762.49 - Step 4: Simplify right side
218,526.10x = 22,543,084,407.23 - Step 5: Solve for x
x = 22,543,084,407.23/218,526.10 - Step 6: Final answer
x = 103,159.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.